What absorbs at 2868 cm⁻¹ in an FTIR spectrum?
A band near 2868 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Alkyl C-H hyder 1.0
“Explicit assignment in text”
Pusnik Cresnar 等 - 2020 - Effect of Wood Fiber Loading on the Chemical and T DOI: 10.3390/app10248863 -
Alkyl C-H hyder 0.9
“attributed to C-H stretch”
Khan 等 - 2021 - Development of Chitosan-Based Nanoemulsion Gel Con DOI: 10.2147/IJN.S338064 -
Alkyl C-H hyder 0.9
“Explicit assignment: ν(CH).”
Nabipour 和 Sadr - 2015 - Layered zinc hydroxide-ibuprofen nanohybrids synt DOI: 10.1080/17458080.2014.998301 -
hyder 0.9
“asymmetric and symmetrical CH elongation vibrations”
Pires 等 - 2019 - Investigation of degradation of polypropylene in s DOI: 10.1007/s13726-019-00766-8 -
Carboxyl (COOH) hyder 0.8
“Text: '2962-2955cm-1, 2872-2868cm-1, 2734-2764cm-1, ... 1556-1550cm-1 1374-1367cm-1'”
Kecskes 等 - 2004 - FTIR and mass spectrometric study of HCOOH interac DOI: 10.1016/j.apcata.2004.03.021 -
Alkyl C-H hyder 0.7
“symmetric stretching vibration”
Catauro 等 - 2018 - Influence of the Heat Treatment on the Particles S DOI: 10.3390/ma11122364
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm